0.8 Carat Radiant Natural Diamond Prices Comparison
As of October 2026, 0.8 carat radiant natural diamonds in the 0.80–0.89 carat benchmark range usually range from $568 to $5,969, with an average price of $2,207.In the last month, prices for these diamonds are down 0.5%.Compare 747 verified listings across 12 retailers tracked by CaratRadar.
0.8 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 747 verified 0.8-carat radiant natural diamonds in the 0.80–0.89 carat benchmark range, listed across 12 online retailers. Prices in this segment range from $568 to $5,969, with an average asking price of $2,207 and a median of $2,091.
The price spread of $5,401 (90.5% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures use the same benchmark range throughout the page and are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
747 diamonds tracked in the 0.80–0.89 carat benchmark
Price range: $568 to $5,969
Average price: $2,207
Median price: $2,091
Available across 12 retailers
Savings potential: up to 90.5%
Price Range Overview
As of Oct 12, 2026Real market range for this carat, shape, and diamond type.
747
$568
$2,207
$2,091
$5,969
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
GIA | 0.88ct | Radiant | K | SI2 | Very Good
From $632
Compare at $696
Save 17.7%GIA | 0.89ct | Radiant | L | SI2 | Very Good
From $652
Compare at $792
Save 43.2%GIA | 0.9ct | Radiant | K | SI1 | Ideal
From $669
Compare at $1,178
Save 43.2%GIA | 0.9ct | Radiant | J | SI2 | Very Good
From $669
Compare at $1,178
Save 37.7%GIA | 0.9ct | Radiant | L | SI2 | Very Good
From $676
Compare at $1,086
Save 23.2%GIA | 0.85ct | Radiant | J | VVS1 | Very Good
From $677
Compare at $881
Save 26.6%GIA | 0.83ct | Radiant | J | VS2 | Excellent
From $687
Compare at $936
Save 21%GIA | 0.9ct | Radiant | K | SI2 | Ideal
From $695
Compare at $880
Save 21%GIA | 0.88ct | Radiant | J | VVS1 | Excellent
From $700
Compare at $886
Save 21.1%GIA | 0.9ct | Radiant | L | SI2 | Ideal
From $715
Compare at $906
Save 21.1%GIA | 0.9ct | Radiant | L | VS2 | Ideal
From $717
Compare at $909
Save 21.1%GIA | 0.9ct | Radiant | K | SI2 | Ideal
From $717
Compare at $909
Save 18.7%IGI | 0.83ct | Radiant | I | SI1 | Very Good
From $741
Compare at $912
Save 18.8%IGI | 0.82ct | Radiant | I | SI1 | Very Good
From $755
Compare at $930
Save 24.7%GIA | 0.82ct | Radiant | H | SI2 | Very Good
From $757
Compare at $1,005
Save 21.2%GIA | 0.81ct | Radiant | I | VVS1 | Excellent
From $764
Compare at $970
Save 18.9%IGI | 0.84ct | Radiant | J | VS1 | Very Good
From $764
Compare at $942
Save 24.8%GIA | 0.83ct | Radiant | J | SI1 | Very Good
From $765
Compare at $1,017
Save 21.2%GIA | 0.9ct | Radiant | I | SI2 | Very Good
From $770
Compare at $977
Save 21.2%GIA | 0.81ct | Radiant | K | VVS2 | Excellent
From $770
Compare at $977
Save 21.5%GIA | 0.9ct | Radiant | K | SI1 | Very Good
From $773
Compare at $985
Save 24.8%GIA | 0.84ct | Radiant | J | SI1 | Very Good
From $774
Compare at $1,029
Save 41.8%IGI | 0.83ct | Radiant | K | VS2 | Good
From $780
Compare at $1,340
Save 19.4%IGI | 0.81ct | Radiant | J | VVS2 | Very Good
From $786
Compare at $975
Save 39.9%GIA | 0.9ct | Radiant | F | SI2 | Ideal
From $787
Compare at $1,310
Save 41.8%IGI | 0.81ct | Radiant | K | VS1 | Good
From $803
Compare at $1,380
Save 21.3%GIA | 0.89ct | Radiant | G | VS2 | Good
From $804
Compare at $1,022
Save 21.3%GIA | 0.9ct | Radiant | G | SI2 | Good
From $810
Compare at $1,030
Save 18.4%GIA | 0.82ct | Radiant | J | VVS1 | Excellent
From $820
Compare at $1,005
Save 12.2%IGI | 0.9ct | Radiant | F | SI2 | Ideal
From $821
Compare at $935
Save 17%GIA | 0.81ct | Radiant | J | SI1 | Excellent
From $824
Compare at $993
Save 32.5%GIA | 0.81ct | Radiant | J | VS1 | Excellent
From $827
Compare at $1,225
Save 18.3%GIA | 0.81ct | Radiant | J | VVS2 | Excellent
From $850
Compare at $1,040
Save 19.4%GIA | 0.9ct | Radiant | J | SI1 | Very Good
From $862
Compare at $1,070
Save 17.2%GIA | 0.9ct | Radiant | J | SI2 | Excellent
From $867
Compare at $1,047
Save 33.8%GIA | 0.9ct | Radiant | J | SI1 | Excellent
From $870
Compare at $1,314
Save 15%GIA | 0.81ct | Radiant | J | VS2 | Very Good
From $872
Compare at $1,026
Save 19.4%GIA | 0.9ct | Radiant | F | SI2 | Excellent
From $878
Compare at $1,089
Save 22.5%GIA | 0.9ct | Radiant | J | VS2 | Ideal
From $880
Compare at $1,135
GIA | 0.81ct | Radiant | J | VS2 | Excellent
From $890
Compare at $915
Save 21.6%GIA | 0.81ct | Radiant | K | VS1 | Very Good
From $904
Compare at $1,153
Save 20.2%GIA | 0.82ct | Radiant | J | VS1 | Very Good
From $914
Compare at $1,145
Save 13.4%GIA | 0.84ct | Radiant | E | SI1 | Good
From $931
Compare at $1,075
Save 19.8%GIA | 0.9ct | Radiant | K | VS2 | Ideal
From $934
Compare at $1,165
Save 27.3%GIA | 0.83ct | Radiant | I | VVS1 | Excellent
From $942
Compare at $1,295
Save 19.4%GIA | 0.9ct | Radiant | E | SI2 | Very Good
From $944
Compare at $1,172
Save 19.7%GIA | 0.9ct | Radiant | K | SI1 | Ideal
From $947
Compare at $1,180
Save 19.5%GIA | 0.9ct | Radiant | K | SI1 | Very Good
From $947
Compare at $1,177
Save 26.3%GIA | 0.86ct | Radiant | I | VS2 | Very Good
From $947
Compare at $1,285
Save 39.5%IGI | 0.81ct | Radiant | I | SI1 | Very Good
From $951
Compare at $1,571
Entry pricing in this benchmark range starts around $568.
What to Know When Shopping for 0.8 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $5,401 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $2,091 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 747 comparable stones in the 0.80–0.89 carat benchmark range. Prices start around $568 and go up to $5,969.
Based on the latest market data, the average asking price is about $2,207 with a median around $2,091.
The observed spread is roughly $5,401 across tracked listings, which is about 90.5% from highest to lowest offer in the 0.80–0.89 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $2,207. The median price is $2,091, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 12 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $5,401 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
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Tracking Natural inventory for the 0.80–0.89 carat Radiant diamond benchmark.